We’ve got some good news for any Heisenberg fans going through Breaking Bad withdraws: series favorite Jonathan Banks—who played the tough guy Mike Ehrmantraut—will be a regular cast member on the spin-off Better Call Saul. According to TV Line, Mike will be featured as Saul Goodman’s “right-hand man” on the new AMC series about the moral evolution of Albuquerque’s most notorious “criminal” lawyer …